<!-- @format -->

<!doctype html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
        <style>
            body {
                display: flex;
                background-color: #567;
            }
            .container {
                width: 256px;
                height: 256px;
                position: relative;
                display: flex;
                align-items: center;
                justify-content: center;
                margin: auto;
                background-color: #eee;
            }
            .background {
                position: absolute;
                z-index: -1;
                width: 100%;
                height: 100%;
                text-align: center;
                line-height: 128px;
                color: #fff;
                font-size: 32px;
                background-color: #567;
                filter: pixelate(10px);
            }
            .item {
                width: 64px;
                height: 64px;
                background-color: rgba(0, 0, 0, 0.3);
                /* backdrop-filter: blur(4px); */
                filter: pixelate(10px);
            }
            input {
                /* appearance: none; */
                display: block;
                width: 64px;
                height: 64px;
                border-radius: 50%;
                background-color: #00f;
            }
        </style>
    </head>
    <body>
        <div class="container">
            <div class="background">bg</div>
            <div class="item">item</div>
            <input type="checkbox" />
        </div>
    </body>
</html>
